X Sequence

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Once again, Vicky is back in the Kingdom of ByteLand. The people of Byteland are very inquisitive about number sequences and Vicky is pondering over a sequence which they called as an X-Sequence .This sequence is described as follows: The sequence is made of integers: a1, a2, a3, a4...aN where , 1) |ak - a(k+1)| = X 2) a1 = 0 3) S = a1 + a2 + a3 + .... + aN Here , X and N are positive integers,

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solution.cppC++17

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